Tender For supply of valves required for liquid oxygen cryogenic tank at the oxygen plant : : - bull nose connection stainless steel 15 , nut hes brass 15 nb for samson regulator , pressure regulator 3 port , valve flow divertor bronze 25 nb , valve long stem globe ss body 15 nb , valve long stem globe ss body 25 nb , valve long stem globe ss body 6 nb , valve needle stainless steel 1 by 4 npt f , valve non return ss body brass top 25 nb , valve safety relief bronze1 by 2 npt x 1 , valve thermal relief bronze 3 by 8 npt